Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes X65 CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes X65 CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes X65 CNBM

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 pc

Supply Capability:: 30 pc/month

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Quick Details

Thickness:	2.0 - 85 mm	Section Shape:	Round	Outer Diameter:	17 - 914.4 mm
		Secondary Or Not:	Non-secondary	Application:	Oil Pipe
Technique:	Hot Rolled	Certification:	API	Surface Treatment:	VARNISH PAITING
Special Pipe:	API Pipe	Alloy Or Not:	Non-alloy	END:	PLAIN,BEVELED OR THREADED
Grade:	10#,20#,16Mn,A106(B,C),A210,A335 P5,A335 P91,A53(A,B),API J55,API K55,Q195,Q235,Q345,St37,St52,10#-45#,A53-A369,API J55-API P110,Q195-Q345,ST35-ST52	Standard:	API 5CT,API 5L,ASME B36.19M-2004,ASTM A106-2006,ASTM A179-1990,ASTM A182-2001,ASTM A53-2007,BS 1387,DIN 1629/3,DIN EN 10216-1-2004,GB 5310-1995,GB/T 3091-2001,GB/T 8162-1999,GB/T 8163-1999,JIS G3454-2007,API,ASTM,BS,DIN,GB,JIS

Packaging & Delivery

Packaging Detail:

standard packing suitable shipping by sea.fixed length as customers' requirements, or SRL or DRL. Varnish, painting or galvanized, or FBE ,2PE,3PE 3pp coating,bevelled/plain/threaded ends with caps, packing in bundle (OD smaller than 141.3mm) big sizes packing in loose, marking as required. Shipped by sea,by air,by train . or some samples shipped by DHL,EMS,TNT,FEDEX ect. Length shorter than 5.85m should be shipped by 20' container, 5.85-12m shipped by 40' container.

Delivery Detail:

7-35 days after advance payment

Product Description

Seamless steel pipes, a large number of used pipes conveying fluids, such as transport oil, natural gas, gas, water pipes and some solid materials, and so on. Compared to other steel and solid steel bar, the same torsional strength in bending, lighter, is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle rack and construction using steel scaffolding ring with steel pipe manufacturing parts, can improve material utilization, simplify the manufacturing process, saving material and machining time, such as bearing rings, jack sets, has been widely used to manufacture steel. Steel or a variety of conventional weapons indispensable material, gun barrels to make steel. Steel shapes in different cross-sectional area can be divided into tube and shaped tubes. As in the perimeter of equal conditions, the largest area of a circle with a circular tube can carry more fluid. In addition, the circular cross section to withstand internal or external radial pressure, the force is uniform, so the vast majority of the pipe is pipe.

Q:What are the different types of coatings used for steel pipes?: There are several types of coatings used for steel pipes, including epoxy coatings, polyethylene coatings, fusion bonded epoxy coatings, and zinc coatings. Each type of coating offers different benefits and is used for specific applications to protect the steel pipes from corrosion and improve their durability.

Q:Seamless steel pipe is how to do it?: Seamless steel tube is a kind of steel strip with hollow section and without seams. A steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold. The manufacture of ring parts with steel tubes can improve material utilization, simplify manufacturing processes, save materials and work hours, such as rolling bearings, rings, Jack sleeves, etc., and have been widely used in steel pipes. Steel pipe or all kinds of conventional weapons indispensable materials, gun barrels are made of steel. The steel pipe can be divided into round tube and special-shaped pipe according to the sectional area shape. Because the circle area is the largest under the condition of equal circumference, more fluid can be transported with round tubes. In addition, the ring section in the internal or external radial pressure is more uniform force, so most of the steel pipe is round tube.

Q:How are steel pipes used in the automotive exhaust system?: Steel pipes are used in the automotive exhaust system to transport and direct the flow of exhaust gases from the engine to the rear of the vehicle. These pipes are durable, heat-resistant, and corrosion-resistant, making them suitable for withstanding the high temperatures and harsh conditions of the exhaust system. Additionally, they help reduce noise and emissions by providing a pathway for the gases to exit the vehicle efficiently.

Q:How do you calculate the pipe pressure drop for steel pipes?: To calculate the pipe pressure drop for steel pipes, you can use the Darcy-Weisbach equation or the Hazen-Williams equation. The Darcy-Weisbach equation is generally more accurate but requires more information. It takes into account the pipe diameter, length, roughness, fluid flow rate, and fluid properties such as viscosity and density. The equation is as follows: ΔP = (f * L * ρ * V^2) / (2 * D) Where: ΔP is the pressure drop f is the friction factor (which can be determined using Moody's chart or by using empirical equations such as the Colebrook-White equation) L is the pipe length ρ is the fluid density V is the fluid velocity D is the pipe diameter The Hazen-Williams equation is a simplified version that is commonly used for water flow calculations. It is less accurate but easier to use. The equation is as follows: ΔP = K * Q^1.85 / (C^1.85 * d^4.87) Where: ΔP is the pressure drop K is the Hazen-Williams coefficient (which depends on the pipe material and roughness) Q is the flow rate C is the Hazen-Williams roughness coefficient d is the pipe diameter It's important to note that these equations provide an estimate of the pressure drop, and actual conditions may vary due to factors such as fittings, bends, and valves in the pipe system. Additionally, it's crucial to ensure that the units used in the equations are consistent (e.g., using SI units or US customary units).

Q:How do steel pipes handle ground freezing and thawing?: Steel pipes are highly resistant to the effects of ground freezing and thawing. The inherent strength and durability of steel make it an ideal material for handling these thermal cycles. When the ground freezes, steel pipes are able to withstand the expansion forces exerted by the freezing water without any significant damage. The structural integrity of steel pipes remains intact even under extreme cold conditions. During thawing, steel pipes also fare well due to their ability to contract without compromising their strength. The material's flexibility ensures that it can accommodate the contraction of the ground without causing any structural issues. Steel pipes do not crack or break when exposed to the rapid temperature changes associated with thawing. Furthermore, steel pipes have a smooth internal surface, which reduces the risk of ice formation and subsequent blockages. This is particularly important in areas with frequent freezing and thawing cycles, as it helps to maintain a consistent flow of fluids or gases through the pipes. In summary, steel pipes are an excellent choice for handling ground freezing and thawing. Their strength, durability, and ability to withstand temperature fluctuations make them a reliable and long-lasting solution in such environments.

Q:What is the cost of steel pipes compared to other piping materials?: The cost of steel pipes compared to other piping materials can vary depending on factors such as the size, grade, and specifications of the pipes, as well as market conditions and location. In general, steel pipes tend to be more expensive than some alternative piping materials such as PVC (polyvinyl chloride) or HDPE (high-density polyethylene). However, when compared to other materials like copper or stainless steel, steel pipes can often be more cost-effective. Steel pipes are known for their durability, strength, and resistance to high pressures and temperatures, making them suitable for various applications such as oil and gas pipelines, plumbing systems, and structural supports. Their longevity and reliability can offset the initial higher cost, as they often require less maintenance and have a longer lifespan than other materials. Additionally, steel pipes are readily available in different sizes and grades, making them versatile and adaptable to different project requirements. This availability and versatility can contribute to their cost-effectiveness, as they can be easily sourced and customized to specific needs. It's important to note that prices for steel pipes can fluctuate due to market conditions and factors such as raw material costs, transportation expenses, and labor charges. Therefore, it is advisable to consult with suppliers or industry experts to get accurate pricing information for steel pipes based on specific project specifications and market conditions.

Q:What are the different types of steel pipe coatings for underground gas pipelines?: There are several types of steel pipe coatings commonly used for underground gas pipelines, including fusion-bonded epoxy (FBE) coating, polyethylene (PE) coating, and polyurethane (PU) coating. Each coating provides different levels of protection against corrosion and abrasion, ensuring the longevity and integrity of the gas pipeline.

Q:How are steel pipes used in the construction of offshore oil rigs?: Steel pipes are commonly used in the construction of offshore oil rigs for various purposes. They are primarily utilized for drilling operations, transporting oil and gas from the seabed to the surface, and for the installation of pipelines and risers. These pipes are known for their strength, durability, and ability to withstand harsh offshore environments, making them an essential component in ensuring the safe and efficient extraction of oil and gas from deep-sea reserves.

Q:How long are the seamless tubes? Are they six meters long?: 6 meters of a root in general need to be customized, seamless tubes are mostly seven meters above the variable foot

Q:What is the maximum allowable deflection for steel pipes?: Industry standards and design codes typically determine the maximum allowable deflection for steel pipes. These regulations specify the acceptable limits of deflection to guarantee the pipes' structural integrity and functionality. The maximum allowable deflection can vary, depending on factors like pipe diameter, wall thickness, material properties, and the application type. To determine the specific maximum allowable deflection for a particular steel pipe application, it is crucial to reference relevant standards and codes such as the ASME B31.3 code for process piping or AWWA standards for water transmission and distribution pipes. Adhering to these guidelines ensures the safe and efficient operation of steel pipes in various industries and applications.

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